Prayogo, C., Jones, J., Baeyens, J., Bending, G. (2013). Impact of biochar on mineralisation of C and N from soil and willow litter and its relationship with microbial community biomass and structure. Biology and Fertility of Soils, 50 (4), 695–702.

Rezai, H. (2013). A reviow of research on application of livestock manure in agricultural land of Iran. Journal of Land Management, 1, 55-68. (In persian)